[Nasal disodium cromoglycate for perennial rhinitis].
D000281:Administration, Intranasal; D004205:Cromolyn Sodium / Q000008:administration & dosage*; D006801:Humans; D012221:Rhinitis, Allergic, Perennial / Q000188:drug therapy*; D012882:Skin Tests
D004205:Cromolyn Sodium